Am Tue, 23 Sep 2014 23:09:25 +0200 schrieb Daniel van Gerpen <daniel@xxxxxxxxxxxx>: > my RDF-8 card reader does not establish a super-speed connection when > connected to an U3S6 USB3.0 port. It only manages high-speed: [..] Problem was not kernel related. Fixed by changing the BIOS Option for PCI Express Frequency from "Auto" to "100 MHz": [ 1.944440] usb 9-2: new SuperSpeed USB device number 2 using xhci_hcd [ 1.962091] usb 9-2: Parent hub missing LPM exit latency info. Power management will be impacted. [ 1.965223] usb 9-2: New USB device found, idVendor=8564, idProduct=4000 [ 1.965226] usb 9-2: New USB device strings: Mfr=3, Product=4, SerialNumber=5 [ 1.965228] usb 9-2: Product: Transcend [ 1.965230] usb 9-2: Manufacturer: TS-RDF8 [ 1.965232] usb 9-2: SerialNumber: 000000080 Not sure why lsusb doesn't identify the smart card reader by name, though: Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub Bus 009 Device 002: ID 8564:4000 Bus 009 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Regards, Daniel -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
